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Features:

• Directional lighting
  
• Walkway safety tread
  
• Blackened metal wheels
  
• Factory-equipped with AccuMate® knuckle couplers
  
• Dynamic brakes (as appropriate by railroad)
  
• Golden-white LEDs

DCC Operation Features GOLD LOCOMOTIVES ONLY)

• Supports all DCC-programming modes
• DCC includes RailCom and RailComPlus, with 14, 28 or 128 speed steps and with 2-digit and 4-digit addressing.
• Flexible mapping of function keys F0 to F28.
• A total of 6 DCC function outputs are available, and all can be function mapped (disable, brightness, light effects) individually
• Follows all NMRA DCC standards and recommended practices.

ESU LokSound Features (GOLD LOCOMOTIVES ONLY):

• Over 20 sound effects are available, including engine start-up and shutdown, prime mover sounds through all eight notches, bell, air horn, air compressor, dynamic brakes and more.
• There are up to 16 user-selectable horns, 2 user-selectable bells, and 2 user-selectable synchronized brake squeals.
• Manual and Automatic Notching modes with the ability to change modes ”on the fly” are provided for true realism.

Prototype Info:

In 1966 EMD introduced a new line of locomotives based on the 16-cylinder 645-series prime mover. The “40-series” included a six-axle and four-axle model, the latter being the GP40. A total of 1,145 units were produced between 1966 and 1972. These turbocharged 3,000hp locomotives were used primarily in road freight service. The GP40 was a versatile locomotive that could be found across the US hauling drag freights over mountain passes and leading high-speed intermodal trains across flat terrain. Three rooftop radiator fans at the rear of the long hood differentiate a GP40 from its lower horsepower counterpart, the GP38, which has two fans at this location.

About Atlas N Scale Locomotives

Atlas N scale locomotives are noted for their prototypical, fine details, printing, reliability, excellent throttle response, and smooth operation at slow speeds. They are often available in both Silver Sound Ready and Gold Sound Equipped versions, allowing you to choose which experience you want from your locomotive right from the start. Will you run with sound and DCC controls, or will you run them without with the possibility of upgrading later? No matter what you choose, your Atlas N scale locomotive will provide you with years of enjoyment and smooth operation.

About Atlas Master Line Locomotives

Atlas Master Line locomotives and rolling stock are highly detailed models that faithfully recreate the prototype down to the paint scheme and even railroad-specific details. They are offered in two varieties--Atlas Master Silver and Atlas Master Gold. Atlas Master Silver locomotives are sound and DCC-ready, with the appropriate speaker and plugs so you can use whatever decoder you prefer. Atlas Master Gold locomotives are DCC and sound-equipped right out of the box, making them the perfect choice for those who don't want to deal with installing decoders.